<template>
<div>
  <!-- 头部 -->
  <div class="header">
    <img src="./img/runoob-logo.png">
    <input type="text" placeholder="html教程">
  </div>
  <!-- 导航栏 -->
  <div class="topbar">
    <ul class="pc-nav" v-for="item in topBarList" :key="item">
      <li><a href="">{{ item }}</a></li>

     </ul>
  </div>
  <!-- 内容 -->
  <div class="main">
    <div class="left">
      <div class="lanmu">
        <img src="./img/lanmu.png">
        <div class="text">HTML教程</div>
        
      </div>
      <ul class="ult" v-for="item in leftBarList" :key="item">
        <li>{{ item }}</li>
    
      </ul>
    </div>
    <div class="midle">
        <div class="top">
          <div class="left1">〈 HTML表单</div>
          <div class="right1">HTML表单 〉</div>
        </div>
        <div class="title">
         <h1>15<text>江浩</text></h1>
        </div>
        <div class="title-mini">
          通过使用框架，你可以在同一个浏览器窗口中显示不止一个页面。
         </div>
         <iframe src="https://www.runoob.com"></iframe>
    </div>
  </div>
</div>
  


</template>
<script>
export default {
  data() {
    return {
      topBarList: [
        '首页',
        'HTML',
        'CSS',
        'JAVASCRIPT',
        'VUE',
        'BOOTSTRAP',
        'NODEJS',
        'PYTHON3',
        'PYTHON2',
        'JAVA'
      ],
      leftBarList: [
        'HTML 教程',
        'HTML 简介',
        'HTML 编辑器',
        'HTML 基础',
        'HTML 元素',
        'HTML 属性',
        'HTML 标题',
        'HTML 文本格式化',
        'HTML 链接',
        'HTML 头部',
        'HTML CSS',
        'HTML 图像'
      ],
      flag: 0
    }
  },
  methods: {
    clickList(index) {
      console.log(index)
      this.flag = index
    }
  }
}
</script>
<style >
*{
  margin: 0 auto;
  padding: 0;
  background-color: RGB(246,246,246);
}
.header{
  box-sizing: border-box;
  width: 1260px;
  margin: 0 auto;
  
  margin-top: 30px;
  height: 70px;
  padding: 0 25px;
  margin-bottom: 20px;
}
.header img{
  margin-top: 15px;
}
.header input{
  margin-top: 10px;
  float: right;
  height: 48px;
  width: 420px;
  outline: none;
  border: none;
  border-radius: 5px;
  padding: 0 15px;
  font-size: 18px;
  background-color: white;
  box-shadow: 0px 4px 9px rgb(0 0 0 / 20%);
}
.topbar{
  background-color: #96b97d;
  width: 100%;

}
.topbar ul{
  display: flex;
  list-style: none;
  width: 1260px;
  margin: 0 auto;
  background-color: #96b97d;
  justify-content: space-between;
}
.topbar ul>li{

  flex-grow: 1;
 
  display: flex;
  text-align: center;
}
.topbar a{
  height:40px;
  line-height: 40px;
  background-color: #96b97d;
  text-decoration:none;
  flex-grow: 1;
  margin: 0 auto;
  color: rgb(255, 255, 255);
}
.topbar a:hover{
color: dimgray;
}
.main{
  margin: 0 auto;
  width: 1260px;
  margin-top: 20px;

  display: flex;
  justify-content: space-between;
}
.main>div{

}
.main .left{
  width: 250px;
  background-color: rgb(255, 255, 255);
  height: auto;
}
.main .midle{
  background-color: rgb(255, 255, 255);
  width: 760px;
  height: 550px;
}
.main .right{
  width: 210px;
  height: 100px;
 
}
.left .lanmu{
  background-color: RGB(234,234,235);
  text-shadow: 0 1px 0 rgb(255 255 255 / 15%);
  border: 1px solid rgba(0,0,0,.1);
  color: #64854c;
  box-sizing: border-box;
  padding-left: 4px;
  display: flex;
  justify-content: flex-start;
}
.left .lanmu  img{
  display: block;
 
 
}
.left .lanmu .text{
  display: block;
  background-color: RGB(234,234,235);
  height: 40px;
  line-height: 40px;
  font-size: 20px;
  margin-right: 80px;
  padding-top: 2px;
}
.left ul{
  list-style: none;
  margin: 3px 5px;
}
.left ul>li{
  line-height: 30px;
  background-color: #f6f4f0;
  text-decoration: none;
  display: block;
  padding: 4px;
  border-bottom: 1px solid #efefef;
  color: rgb(63, 62, 62);
  font-size: 15px;
  padding-left: 10px;
}

.left ul>li:hover{
  color: rgb(0, 0, 0);
  font-weight: bold;
}
.left ul>li:nth-child(1){
  background-color: rgb(150, 185, 125);
  font-weight: bold;
  color: rgb(255, 255, 255);
}

.main .midle .top{
  background-color: RGB(251,251,251);
  width: 100%;
  height: 45px;
  overflow: hidden;
  padding: 0px 10px;
  line-height: 45px;
  background: #fbfbfb;
  border-top: 1px solid #efefef;
  border-bottom: 1px solid #efefef;
  color: #8590a6;
  font-size: 15px;
  border: 1px solid #e7eaf1;
  box-shadow: 0 1px 3px rgb(0 37 55 / 5%);
  box-sizing: border-box;
}
.main .midle .top .left1{
  float: left;
}
.main .midle .top .right1{
  float: right;
}
.main .midle .title{
  background-color: #ffff !important;
  width: 95%;
    height: 50px;
    line-height: 50px;
    padding-left: 10px;
    font-size: 12px;
    
}
.main .midle .title h1{
  background-color: white;
  border-bottom: 1px solid rgb(221, 218, 218);
}
.main .midle .title text{
  color: rgb(67, 110, 37);
  background-color: white;
}
.main .midle .title-mini{
  margin-top: 5px;
  width: 95%;
  font-size: 14px;
  background-color: white;
  border-bottom: 20px;
}
.main .midle iframe{
  
  display: block;
  width: 95%;
  height: 400px;
  margin: 0 auto;
  margin-top: 10px;
  border: none;
}
</style>